One of the most common annoyance in Windows 7 is the automatically adjustment of system volume while you are making PC calls. We have received so many mails asking for solution of this problem, so today we are going to post the solution in this topic.
While you are using your PC to place or receive calls or while you are playing games which use PC calls feature, Windows 7 automatically reduces the system volume without even asking you.
Actually its a new feature introduced in Windows 7 which can be disabled using following simple steps:
1. Open "Sound" applet from Control Panel. You can also access it directly using "mmsys.cpl" command in RUN or Startmenu searchbox. Or right-click on Speaker icon present in system tray and select "Playback devices" or "Recording devices" or "Sounds" option.
2. Now go to "Communications" tab and check the option "Do nothing" and Apply it.

3. That's it. Now Windows will no longer reduce the system volume.
This article was posted by VG in following section: Troubleshooting, Windows 7.
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r4 ds
Windows 7 is the automatically adjustment of system volume while you are making PC calls. The detail you have given is very useful to use it.
ethernet cable
This is a good feature apply in windows 7 to automatically reduce the system volume so there is no need to reduce it manually i am just waiting for windows 7 to release.
eliran hadar
it will be great on my vphonet, thanks for this details
msugamer
This option is not working!
I use Mumble. Windows reduce the volume of other sounds by 50%.
I choose "Mute all other sounds"? but it continue reducing the volume of other sounds by 50% (((
JamesR404
This is a very annoying feature. Thanks for highlighting it.
Is there also a similiar feature to reduce volume during errors? Every now and then Windows loses touch with some of my USB devices (it's a USB hub with a plethora of devices), it then plays an error sound, and more annoyingly reduces the volume of my Mp3 playbacks.
It happens so frequently, it's quite annoying. I just want it to keep the mp3 playback at normal levels. ...
Anyway, is this a bug or a feature?
VG
^^ You can reduce system sound volume using the speaker icon in system tray or just disable the error sound using "Sound" applet in Control panel.
JamesR404
Thanks, I don't mind the error sounds so much - they might be legitimate sometimes, but I just wish windows wouldn't reduce my other sounds while playing an error sound.
...
Any thoughts?
VG
^^ As I earlier said, you can reduce volume of system sounds by clicking on speak icon in system tray and then click on "Mixer".
ey
my speaker volume increase automatically to max every time i click the speakers icon. when i tried to lower the volume bar, it just keep going up to max again.
VG
^^ may be a key is stuck in keyboard and causing this issue? Do you have a multimedia keyboard?